EulerOS 2.0 SP15 : policycoreutils (EulerOS-SA-2026-3940)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(363995);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/08");

  script_cve_id("CVE-2026-59677");

  script_name(english:"EulerOS 2.0 SP15 : policycoreutils (EulerOS-SA-2026-3940)");

  script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"According to the versions of the policycoreutils packages installed, the EulerOS installation on the remote host is
affected by the following vulnerabilities :

    ['Hello,\n\nOn Wed, Jul 15, 2026 at 12:48:22PM +0200, Matthias Gerstner wrote:', '5) CVE
    Assignments\n==================\n\nWe approached the upstream SELinux userspace utilities developers
    and\nsuggested to assign CVEs for the two issues discussed above. Upstream\ninformed us that they don't
    take care of CVE assignment themselves,\nhowever. Since Red Hat developers are also involved with
    upstream\ndevelopment, we are currently waiting for an agreement on who will\nassign CVEs to avoid
    duplicates.', 'we got a response from upstream devs by now and as a result assigned\nCVEs on our end as
    follows:', '3.1) Local File Deletion Attack Vector in rm_rf()', 'CVE-2026-59676', '3.2) Process Kill
    Attack Vector in killall()', 'CVE-2026-59677\n\nBest Regards\n\nMatthias\n\n-- \nMatthias Gerstner
    matthias.gerstner () suse de\nSecurity Engineer', 'GPG Key ID: 0x14C405C971923553\n \nSUSE Software
    Solutions Germany GmbH\nHRB 36809, AG Nrnberg\nGeschftsfhrer: Jochen Jaser, Andrew
    McDonald'](CVE-2026-59677)

Tenable has extracted the preceding description block directly from the EulerOS policycoreutils security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2026-3940
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1e7a8b6b");
  script_set_attribute(attribute:"solution", value:
"Update the affected policycoreutils packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-59677");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/07/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/10/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:policycoreutils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:policycoreutils-help");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:policycoreutils-python-utils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:python3-policycoreutils");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Huawei Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
  script_exclude_keys("Host/EulerOS/uvp_version");

  exit(0);
}

include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

var _release = get_kb_item("Host/EulerOS/release");
if (isnull(_release) || _release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
var uvp = get_kb_item("Host/EulerOS/uvp_version");
if (_release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP15");

var sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(15)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP15");

if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP15", "EulerOS UVP " + uvp);

if (!get_kb_item("Host/EulerOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "aarch64" >!< cpu && "x86" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "x86" >!< cpu) audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu);

var flag = 0;

var pkgs = [
  "policycoreutils-3.5-3.h21510.3.eulerosv2r15",
  "policycoreutils-help-3.5-3.h21510.3.eulerosv2r15",
  "policycoreutils-python-utils-3.5-3.h21510.3.eulerosv2r15",
  "python3-policycoreutils-3.5-3.h21510.3.eulerosv2r15"
];

foreach (var pkg in pkgs)
  if (rpm_check(release:"EulerOS-2.0", sp:"15", reference:pkg)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "policycoreutils");
}